diff --git a/ddns-updater.log b/ddns-updater.log
deleted file mode 100644
index 3221295..0000000
--- a/ddns-updater.log
+++ /dev/null
@@ -1,15 +0,0 @@
-{"time":"2026-01-13T01:47:33+08:00","level":"INFO","msg":"Starting DDNS Updater","version":"1.0.0","go":"1.23"}
-{"time":"2026-01-13T01:47:33+08:00","level":"INFO","msg":"Current public IP","ip":"218.102.220.216"}
-{"time":"2026-01-13T01:47:33+08:00","level":"INFO","msg":"IP changed, updating DNS records","old_ip":"","new_ip":"218.102.220.216"}
-{"time":"2026-01-13T01:47:33+08:00","level":"WARN","msg":"Update attempt failed","subdomain":"lc","attempt":1,"max_attempts":3,"error":"getting DNS record: parsing response: json: cannot unmarshal object into Go struct field CloudflareResponse[[]main.CloudflareDNSRecord].errors of type string"}
-{"time":"2026-01-13T01:47:38+08:00","level":"WARN","msg":"Update attempt failed","subdomain":"lc","attempt":2,"max_attempts":3,"error":"getting DNS record: parsing response: json: cannot unmarshal object into Go struct field CloudflareResponse[[]main.CloudflareDNSRecord].errors of type string"}
-{"time":"2026-01-13T01:47:43+08:00","level":"WARN","msg":"Update attempt failed","subdomain":"lc","attempt":3,"max_attempts":3,"error":"getting DNS record: parsing response: json: cannot unmarshal object into Go struct field CloudflareResponse[[]main.CloudflareDNSRecord].errors of type string"}
-{"time":"2026-01-13T01:47:43+08:00","level":"ERROR","msg":"Failed to update subdomain","subdomain":"lc","error":"failed after 3 attempts: getting DNS record: parsing response: json: cannot unmarshal object into Go struct field CloudflareResponse[[]main.CloudflareDNSRecord].errors of type string"}
-{"time":"2026-01-13T01:47:43+08:00","level":"WARN","msg":"Update attempt failed","subdomain":"git","attempt":1,"max_attempts":3,"error":"getting DNS record: parsing response: json: cannot unmarshal object into Go struct field CloudflareResponse[[]main.CloudflareDNSRecord].errors of type string"}
-{"time":"2026-01-13T01:47:48+08:00","level":"WARN","msg":"Update attempt failed","subdomain":"git","attempt":2,"max_attempts":3,"error":"getting DNS record: parsing response: json: cannot unmarshal object into Go struct field CloudflareResponse[[]main.CloudflareDNSRecord].errors of type string"}
-{"time":"2026-01-13T01:47:53+08:00","level":"WARN","msg":"Update attempt failed","subdomain":"git","attempt":3,"max_attempts":3,"error":"getting DNS record: parsing response: json: cannot unmarshal object into Go struct field CloudflareResponse[[]main.CloudflareDNSRecord].errors of type string"}
-{"time":"2026-01-13T01:47:53+08:00","level":"ERROR","msg":"Failed to update subdomain","subdomain":"git","error":"failed after 3 attempts: getting DNS record: parsing response: json: cannot unmarshal object into Go struct field CloudflareResponse[[]main.CloudflareDNSRecord].errors of type string"}
-{"time":"2026-01-13T01:47:53+08:00","level":"WARN","msg":"Update attempt failed","subdomain":"mempool","attempt":1,"max_attempts":3,"error":"getting DNS record: parsing response: json: cannot unmarshal object into Go struct field CloudflareResponse[[]main.CloudflareDNSRecord].errors of type string"}
-{"time":"2026-01-13T01:47:57+08:00","level":"INFO","msg":"Shutdown signal received, stopping..."}
-{"time":"2026-01-13T01:47:57+08:00","level":"ERROR","msg":"Failed to update subdomain","subdomain":"mempool","error":"context canceled"}
-{"time":"2026-01-13T01:47:57+08:00","level":"INFO","msg":"DDNS Updater stopped gracefully"}